123204313 has 2 divisors, whose sum is σ = 123204314. Its totient is φ = 123204312.

The previous prime is 123204271. The next prime is 123204397. The reversal of 123204313 is 313402321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95199049 + 28005264 = 9757^2 + 5292^2 .

It is a cyclic number.

It is not a de Polignac number, because 123204313 - 2¹³ = 123196121 is a prime.

It is not a weakly prime, because it can be changed into another prime (123208313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61602156 + 61602157.

It is an arithmetic number, because the mean of its divisors is an integer number (61602157).

Almost surely, 2^123204313 is an apocalyptic number.

It is an amenable number.

123204313 is a deficient number, since it is larger than the sum of its proper divisors (1).

123204313 is an equidigital number, since it uses as much as digits as its factorization.

123204313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 123204313 is about 11099.7438258727. The cubic root of 123204313 is about 497.5941934222.

Adding to 123204313 its reverse (313402321), we get a palindrome (436606634).

The spelling of 123204313 in words is "one hundred twenty-three million, two hundred four thousand, three hundred thirteen".